Heap-based buffer overflow in ImageMagick - CVE-2026-53465

Vulnerability identifier: #VU134219

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-53465

CWE-ID: CWE-122

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to heap-based buffer overflow in the SF3 encoder when encoding a crafted multi-frame image. A remote attacker can supply a specially crafted multi-frame image for encoding to cause a denial of service.

ImageMagick
openEuler
ImageMagick-debugsource
ImageMagick-help
ImageMagick-perl
ImageMagick-devel
ImageMagick-debuginfo
ImageMagick-c++-devel
ImageMagick-c++
ImageMagick

Install security update from vendor's website.

ImageMagick - update to 7.1.2-25
ImageMagick-debugsource - update to 7.1.2.25-1
ImageMagick-help - update to 7.1.2.25-1
ImageMagick-perl - update to 7.1.2.25-1
ImageMagick-devel - update to 7.1.2.25-1
ImageMagick-debuginfo - update to 7.1.2.25-1
ImageMagick-c++-devel - update to 7.1.2.25-1
ImageMagick-c++ - update to 7.1.2.25-1
ImageMagick - update to 7.1.2.25-1

• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-44cp-c3ww-9rv5

• Multiple vulnerabilities in ImageMagick
• openEuler 22.03 LTS SP4 update for ImageMagick
• openEuler 24.03 LTS SP3 update for ImageMagick
• openEuler 24.03 LTS SP1 update for ImageMagick